磨損數據 的英文怎麼說
中文拼音 [mósǔnshǔjù]
磨損數據
英文
wear data- 磨 : 磨動詞1 (摩擦) rub; wear 2 (研磨) grind; mull; polish 3 (折磨) grind down; wear down [out]:...
- 損 : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
- 數 : 數副詞(屢次) frequently; repeatedly
- 據 : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
- 磨損 : wear and tear; abrasive wear; abrase; abrade; detrition; wear; scuff; wear out; fray; battering; ...
- 數據 : data; record; information
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Because of the great quantity, strong specialization, wide involved range of the knowledge of engine, this paper introduces the construction of the repository, reasoning machine, program interface and the knowledge acquirement of dmas wearing fault integrated diagnostician system, puts forward the method of storing and managing the fault diagnostic knowledge by database, carries out fault diagnostic with proper reasoning strategy, and discusses the realization of the system from the view of the theory and engineering. 3, the research on the remote fault diagnostic system
2 、 dmas故障診斷專家系統的研究本文主要針對發動機的知識具有數量大、專業性強、經驗成分多、涉及面廣等特點,介紹了dmas磨損故障綜合診斷專家系統的知識庫、推理機、人機界面和知識獲取的實現,並提出把故障領域知識存入相應的數據庫,運用數據庫技術進行管理,結合合適的推理策略進行故障診斷,並從理論和具體方法上對系統的實現過程進行了探討。The fourth chapter introduces the theory of fractional brown movement ( fbm ). the image texture of turning workpiece is analyzed using fbm model. after abstracting the texture character, the cutting tool wear status can be determined according to fractal dimension and average slope of the fitting curve of the logarithm power spectrum
第四章採用分數布朗運動( fbm )的基本理論,對切削工件表面紋理的圖像進行分析,提取紋理特徵參數,根據分形維數和圖像上對數功率譜的擬合曲線的平均斜率來判斷刀具的磨損狀態。Research developments of long lasting phosphorescent materials
動態磨損試驗數據的數理統計分析On the basis of the theory of fractal geometry, the fractal dimension characters of ae signal at different tool wear states were analyzed, an algorithm was provided to decide the scale range which is necessary to calculate the dimension of non - fully - fractal form. the experiments showed that the fractal dimension of ae signal is slightly effected by the changes of cutting parameters ; the variance of the fractal dimensions, which reflects the geometric characters of ae signals, has the same tendency as that of the flank wear, the monitoring system, which takes the fractal dimension of the ae signal as the feature, can identify the different tool wear states more correctly under different cutting conditions
以分形幾何理論為基礎,對刀具不同磨損階段聲發射信號的分形特徵進行分析.提出了計算非完全分形體信號波形的關聯維數時尺度范圍的確定方法,分析了聲發射信號在刀具磨損過程中分形維數的變化特性.刀具磨損切削實驗數據表明,聲發射信號的分形維數受切削參數變化影響較小;分形維數反映了聲發射信號的幾何特徵,其大小能較好地反映刀具的不同磨損狀態.實驗結果表明,該方法能正確地實時在線監測刀具的不同磨損狀態Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分:首先,介紹航空發動機常見的磨損故障類型,研究磨損故障的失效機理,分析磨粒的產生機理、分類以及形態特徵:其次,針對傳統鐵譜分析技術的缺點,引入圖像分析技術,再結合特徵參數優化篩選,形成基於圖像的磨粒顯微形態學特徵描述方法:然後,基於提取到的磨粒形態特徵信息,應用模式識別方法完成磨粒自動識別,並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位:再后,鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷,本文引入信息融合技術,開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索;最後,基於航空發動機滑油光譜分析與鐵譜分析數據,應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。Linear tire treadwear data analysis
線性輪胎面磨損數據分析In order to study the slurry erosion properties of the particle reinforced polyurethane composites, a slurry erosion test apparatus was designed and manufactured based on the considerations of comparison between the present slurry erosion apparatuses and cost factor. the slurry erosion test apparatus proved to stable and reliable through tests, and it can be applied to material selection and erosion mechanism research
經過實驗驗證表明,該沖蝕磨損試驗機供漿穩定,磨損數據重現性較好,是較為可靠的研究漿體沖蝕磨損的試驗裝置,適合於進行耐磨材料對比選擇以及漿體沖蝕磨損機理的研究。Then we can estimate the lubrication state between the friction faces. with the old large numbers of testing numbers the wear parameter k of every point on the steady work ' s cam can be decided
通過計算凸輪表面各位置潤滑油膜厚度,判斷其潤滑狀態,結合以前大量的實驗數據,確定出凸輪各位置在穩態下工作時的磨損系數k值。The friction and abrasion can be analysed when the bearings work in a high speed experimential plant, this experiment is very important to design and manufacture for bearing
摘要高速軸承試驗機是模擬軸承的運行工況,對軸承的磨損甚至軸承的損壞進行實時監測,對監測的數據進行分析,因此,能給工程技術人員提供第一手資料,作為工程技術人員制定安全規程的技術依據。Choosing the 1 # hydraulic lp system of casting and rolling in zhujiang steel l. t. d as the researching object, the paper provides the method of appropriately dealing with initial data and judging the acute wear of equipment by using pls arithmetic which is fit for the condition of fewer samples and more variables
論文以珠江鋼鐵公司連鑄連軋生產線上1 #液壓lp系統為一研究對象,對原始放射光譜數據進行適當的預處理,運用適合於少樣本多相關變量回歸分析的偏最小二乘演算法,判斷設備是否存在劇烈磨損。Based on gas - solid two - phase flow theory and the phenomena and data results of experiments on erosion wear ceramic nozzles, the behavior arid influence factors of ceramic nozzles ' erosion wear were investigated in order to provide theory support for anti - erosion design of ceramic nozzles
摘要以氣固兩相流理論為基礎,結合陶瓷噴砂嘴沖蝕磨損實驗中得到的現象和數據結果,研究了噴砂嘴沖蝕磨損行為和影響因素,為陶瓷噴砂嘴的耐磨結構設計提供了動力學理論支持。Results are presented showing the influence of original interference between bristles and shaft, differential pressure, bristles " rows and slope on the contact pressure. the contact pressure can be calculated by bp arithmetic of nerve net on matlab successfully. based on brush seals wear theory and the given solid wear equation, the wear and longevity equation of brush seal are set up
根據刷式密封磨損機理和特點,利用已有的固體磨損公式,建立了刷式密封磨損量的計算公式,推導出刷式密封磨損壽命的理論計算公式,並在不同的實際工況參數條件下進行了相應的磨損壽命計算。In order to improve coal slime dewatering results and operational reliability, according to the comparison of screen bowl centrifuge ' s structural parameters, operational parameters and dewatering results used at home and broad, proposed that, proper design parameters should be determined by the property of coal slime ; the separation factor and manufacture level of homemade screen bowl centrifuge should be improved ; the research on sieve and wear parts should be strengthened to improve the service life of wear parts ; planetary gear differential case should be used to improve the work reliability of whole machine and the automatization level of centrifuge control should be enhanced
為提高國產離心機用於煤泥分離的效果和工作可靠性,通過對國內外同類產品的結構參數、操作參數和分離效果的比較,提出:根據國內洗選煤泥性質,確定合適的設計參數;提高國產離心機的分離因數和製造水平;加強對篩網及易磨損件的研究,提高易磨損件的使用壽命;採用漸開線行星齒輪差速器,以提高整機的工作可靠性;提高離心機控制的自動化水平。At present, the method to process information of lubricating oil in our country is based on the ratio of wear and tear. this method is simple and impersonal, but its function of quantitative analysis is not satisfying
目前我國發動機滑油信息的處理方法只是將所測的數據(主要是濃度)轉化為磨損率,然後根據磨損率增加的緩慢程度,來決定是否對發動機進行維修。The contract stress on supporting roller and crawler board surface of three models of dong fang hong crawler tractor under three working conditions is gained by finte element analysis, as well as the stress distribution law and maximum stress which provide valuable referentce datum for resolving the problems of plastic deformation and friction wear between the supporting roller and crawler board
摘要對3種機型拖拉機的支重輪與履帶板之間的接觸應力分別在3種工況下進行了有限元分析,得出接觸應力分佈的規律及其最大值,為解決支重輪和履帶板的塑性變形問題及摩擦磨損行為分析提供了有價值的參考數據。The establishment of gear fault data warehouse the paper studies several gear cases in drive lab of wuhan university of science and technology. the signal of normal gear pair, the one has been worn seriously, the one which has circular pitch error and the one whose pinion has a ruptured tooth is acquired independently. after fft transformation, the amplitude values of 0 - 0. 4 multiple engage frequency, 0. 4 - 0. 5 multiple engage frequency, 0. 5 - 1 multiple engage frequency, 1 multiple engage frequency, 2 multiple engage frequency, 3 multiple engage frequency, 4 multiple engage frequency and greater then 4 multiple engage frequency of every signal are obtained respectively
論文主要完成下列內容: 1 .齒輪故障數據倉庫的建立以武漢科技大學傳動實驗室的若干臺齒輪箱為研究對象,分別採集正常齒輪副、磨損嚴重的齒輪副、有周節誤差的齒輪副和小齒輪有一個斷齒的齒輪副的振動加速度信號,經過fft變換,分別得到每個信號的0 ~ 0 . 4倍嚙合頻率、 0 . 4 ~ 0 . 5倍嚙合頻率、 0 . 5 ~ 1倍嚙合頻率、 1倍嚙合頻率、 2倍嚙合頻率、 3倍嚙合頻率、 4倍嚙合頻率和大於4倍嚙合頻率幅值。In the background of the corporative project between zhujiang steel l. t. d and guangzhou machine sience research institute, the paper researches on the spectral analysis technology of oil. and the result is applied to judging equipment acute wear and wear place
本文以珠江鋼鐵公司和廣州機械科學研究院合作的項目為背景,研究了油液監測技術中發射光譜數據的分析問題,並將研究成果運用到設備劇烈磨損判別和磨損部位識別的應用中。Computer image processing technology analysising the wear surface character had developed rapidly, and got widely recognition and application. according to the wear - surface image obtained by digital image - collection system, i analyse the wear mechanism, then, construe wear shape character with edge detection and skeleton map technology, calculate the proportion of different wear mechanism to the whole mechanism with area measurement, judge the texture character of image based on the method of texture analysis so as to provide reference for the computer ' s intelligentize identity to wear methanism
本文根據數字圖像採集系統獲得的磨損表面圖像,進行磨損機制分析,並運用數字圖像處理技術中的邊緣檢測和輪廓提取等技術,對磨損形狀進行特徵提取和分析,運用面積測量可計算不同磨損機制在整個磨損主體所佔的比重,並根據紋理特徵分析方法判斷圖像的紋理特徵,為實現計算機對磨損機制的智能化識別提供參考。The implementation of the systam should not increase the driver ' s operation items, not change driver ' s origina1 operation habit and the vehicle ' s previous moving 1ap at the sajne time cooperate with the engine reasonab1y. according to the real circumstances the automatic contro1 system conands the change and intensity of energy drawing back and re1easing at the right monent. the procedure of contro1 takes the cirivers intention as topic, the real parajneters as basis, in order to raise motive force, reduce oi1 consmption
系統實現不增加駕駛人員的操作項目,不改變原來的操作習慣以及原車輛的運動規律,並根據實際情況適時控制能量回收與釋放的轉換,適度控制能量回收與釋放的強度,控制過程以駕駛人員操作意圖為前題,以實際運行參數為依據,以提高動力性,降低油耗、排放,減少磨損為目標。The research work presented a large quantity of debris characteristics parameters, and especially made a thorough study on the characteristic description of sediment chain graph ; meanwhile, the sensibility, differentiation and information redundance analyses of the characteristic parameters also supplies the quantitative indexes for the filtration and optimization of the debris characteristic parameters ; in addition, the debris fusion decision recognition method based on the proof fusion theory and the comprehensive debris recognition flow provide reliable recognition arithmetic for debris recognition ; and lastly, the fault fusion diagnosis judging method based on ferro - graph and spectral analysis provides the basic diagnosis method in theory for multi - fault premonitory diagnosis system of aero - engine
本文研究工作提出了大量磨粒特徵參數,尤其深入研究了沉積鏈譜片的特徵描述問題;同時,特徵參數的敏感性、區分度與冗餘度分析為磨粒特徵參數的篩選優化提供了量化指標;另外,基於證據融合理論的磨粒統計融合決策識別方法以及磨粒綜合識別流程為磨粒識別提供了可靠的識別演算法;最後,基於光譜和鐵譜信息的磨損故障融合診斷決策方法為發動機多故障徵兆綜合診斷系統提供了基本的診斷理論手段。分享友人